13.1 Device-Specific Information

Table 13-1. Oscillator Summary Table
Clock GeneratorsPLLs
142
Table 13-2. CLKGEN Assignment
Clock GeneratorInput Clock Source Module Clock Destination
Clock Generator 1All SourcesSystem Clock and Peripheral Clock
Clock Generator 2FRCFRC
Clock Generator 3BFRCBFRC
Clock Generator 4All SourcesRAM BIST and NVM BIST
Clock Generator 5All SourcesPWM
Clock Generator 6All SourcesADC
Clock Generator 7All SourcesPDM DAC
Clock Generator 8All SourcesUART
Clock Generator 9All SourcesSPI
Clock Generator 10All SourcesCAN
Clock Generator 11All SourcesPTG
Clock Generator 12All SourcesBiSS
Clock Generator 13All SourcesCCP and REFO1
Clock Generator 14All SourcesCLC, IOIM and REFO2
Note: Clock generator 1, 2 and 3 are always ON.
Table 13-3 13-5. Clock Monitor CNTSEL/WINSEL Input Clock Selections
ValueDescription
0x11010REFI2 - Device REFI1 pin through PPS
0x11001REFI1 - Device REFI2 pin through PPS
0x11000-0x10101Reserved
0x10100BRFC/244
0x10011POSC - Primary crystal oscillator (4-32 MHz)
0x10010BFRC - Internal Backup 8 MHz RC oscillator
0x10001FRC - Internal 8 MHz RC oscillator
0x10000ISCP clock (PGC)
0x01111Reserved
0x01110PLL2 VCO DIV output
0x01101PLL2 FOUT output
0x01100PLL1 VCO DIV output
0x01011PLL1 FOUT output
0x01010 CLKGEN11
0x01001CLKGEN10
0x01000CLKGEN9
0x00111CLKGEN8
0x00110CLKGEN7
0x00101CLKGEN6
0x00100CLKGEN5
0x00011CLKGEN4
0x00010CLKGEN3
0x00001CLKGEN2
0x00000CLKGEN1
Note: Refer to Table 42-23 for minimum and maximum peripheral clock frequencies.
Table 13-4. PLL Clock Sources
ValueDescription
1111-1011Reserved
1010 REF1 – User definable clock source
1001REF2 – User definable clock source
1000-0100Reserved
0011POSC – Primary crystal oscillator (4-32 MHz)
0010BFRC – Internal Backup 8 MHz RC oscillator
0001FRC – Internal 8 MHz RC oscillator
0000Reserved - Serial Test Mode clock (PGC)
Table 13-3 13-5. Clock Monitor Clock Resources
ValueDescription
1111-1011Reserved
1010 REF1 – User definable clock source
1001REF2 – User definable clock source
1000PLL2 VCO FracDiv output
0111PLL1 VCO FracDiv output
0110PLL2 FOUT output
0101PLL1 FOUT output
0100LPRC as BFRC/256
0011POSC – Primary crystal oscillator (4-32 MHz)
0010BFRC – Internal Backup 8 MHz RC oscillator
0001FRC – Internal 8 MHz RC oscillator
0000Reserved - Serial Test Mode clock (PGC)